DIY Projects

CheapStat: An Open-Source, DIY Potentiostat

CheapStat: An Open-Source, DIY Potentiostat

Although potentiostats are the foundation of modern electrochemical research, they have seen relatively little application in resource poor settings, such as undergraduate laboratory courses and the developing world. One reason for the low penetration of potentiostats is their cost, as even the least expensive commercially available laboratory potentiostats sell for more than one thousand dollars. […]

Tattoo of Schematic Brings Geek-Chic to New Level

Tattoo of Schematic Brings Geek-Chic to New Level

While riding New York City’s L Train, I spotted this tattoo on an anonymous Williamsburg-bound hipster. I only had a few moments to chat with him as my stop was coming up, but he claims it is a full schematic for a guitar amplifier circuit. It heartens me to think that a piece of engineering ephemera has elevated itself to hipster tattoo art, but another part of me is dismayed. After further inquiry, it turns out the tattoo owner is a musician and actually has no clue what any of those strange symbols mean on his arm.

Adaptive Gripping Mechanism

Adaptive Gripping Mechanism

Malte Ahlers from Germany lucked into some FESTO hardware, and used it to build a robotic gripper (site is in German): I was intrigued by the FESTO FinGripper mechanism which they use for their “Bionic Handling Assistant” so I asked the guys from FESTO if they would give me three samples of the FinGripper fingers […]